Mammary Gland


Image Caption : Alveoli of Mammary Gland : An alveolus is a round balloon-type structure surrounded by lactocytes the cells that make milk. The lactocytes take various components from the blood and convert them into specific ingredients in breast milk. Each lobule in the breast contains 10-100 alveoli.

Breastfeeding and Breast Milk: Condition Information

Breastfeeding, also called nursing, is the process of feeding human breast milk to an infant, either directly from the breast or by expressing (pumping out) the milk from the breast and bottle-feeding it to the infant. Breastfeeding and breast milk provide an infant with essential calories and nutrients.

According to the American Academy of Pediatrics (AAP) Policy Statement on Breastfeeding, women who don't have health problems should exclusively breastfeed their infants for at least the first 6 months of life.

The AAP suggests that a woman should try to breastfeed her infant for the first 12 months of life because of the benefits to both the mother and the infant.

Although breastfeeding is the recommended method for feeding infants, and breast milk provides most of the nutrients an infant needs, it does not provide infants with adequate vitamin D.4 The current AAP-recommended daily vitamin D intake is 400 IU per day for all infants and children beginning from the first few days of life.5 Human breast milk contains a vitamin D concentration of 25 IU per liter (about 4 cups) or less. Therefore, to meet the 400 IU daily requirement, supplementation is required.

NICHD / NIH

A mammary gland is an organ in female mammals that produces milk to feed young offspring. Mammals get their name from the word "mammary." In humans, the mammary glands are situated in the breasts. In ruminants such as cows, goats, and deer, the mammary glands are contained in the udders. The mammary glands of mammals other than primates, such as dogs and cats, are sometimes called dugs.



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